330420331 has 2 divisors, whose sum is σ = 330420332. Its totient is φ = 330420330.

The previous prime is 330420319. The next prime is 330420359. The reversal of 330420331 is 133024033.

It is a weak prime.

It is an emirp because it is prime and its reverse (133024033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330420331 - 2¹³ = 330412139 is a prime.

It is a super-2 number, since 2×330420331² = 218355190276299122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330420299 and 330420308.

It is not a weakly prime, because it can be changed into another prime (330420301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165210165 + 165210166.

It is an arithmetic number, because the mean of its divisors is an integer number (165210166).

Almost surely, 2^330420331 is an apocalyptic number.

330420331 is a deficient number, since it is larger than the sum of its proper divisors (1).

330420331 is an equidigital number, since it uses as much as digits as its factorization.

330420331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 330420331 is about 18177.4676729186. The cubic root of 330420331 is about 691.3355990340.

Adding to 330420331 its reverse (133024033), we get a palindrome (463444364).

The spelling of 330420331 in words is "three hundred thirty million, four hundred twenty thousand, three hundred thirty-one".